Invariants of elliptic and hyperbolic $CR$-structures of codimension 2
We reduce CR-structures on smooth elliptic and hyperbolic manifolds of CR-codimension 2 to parallelisms thus solving the problem of global equivalence for such manifolds. The parallelism that we construct is defined on a sequence of two principal bundles
|Collections||ANU Research Publications|
|Source:||International Journal of Mathematics|
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